AT90S8515A-4JC Atmel, AT90S8515A-4JC Datasheet - Page 82
![IC MCU 8K FLSH 4MHZ LV 44PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT90S8515A-4JC
Manufacturer Part Number
AT90S8515A-4JC
Description
IC MCU 8K FLSH 4MHZ LV 44PLCC
Manufacturer
Atmel
Series
AVR® 90Sr
Datasheets
1.AT90S8515-4AC.pdf
(112 pages)
2.AT90S8515-4AC.pdf
(4 pages)
3.AT90S8515-4AC.pdf
(4 pages)
Specifications of AT90S8515A-4JC
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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82
AT90S8515
1. Set BS to “1”. This selects high data.
2. Give WR a negative pulse. This starts programming of the data byte. RDY/BSY
3. Wait until RDY/BSY goes high to program the next byte.
(See Figure 62 for signal waveforms.)
The loaded command and address are retained in the device during programming. For
efficient programming, the following should be considered:
•
•
•
These considerations also apply to EEPROM programming and Flash, EEPROM and
signature byte reading.
Figure 61. Programming the Flash Waveforms
RDY/BSY
RESET
XTAL1
goes low.
The command needs only be loaded once when writing or reading multiple memory
locations.
Address high byte needs only be loaded before programming a new 256-word page
in the Flash.
Skip writing the data value $FF, that is, the contents of the entire Flash and
EEPROM after a Chip Erase.
DATA
XA1
XA0
WR
OE
BS
12V
$10
ADDR. HIGH
ADDR. LOW
DATA LOW
0841G–09/01
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